Class L8g ... Spline (i.e., piecewise polynomial) regression

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Modules for class L8g

• FC Fits piecewise polynomial to discrete data with equality and inequality constrai ...

• SPLINE_FIT Performs a least squares spline fit. The user can specify both the degree of th ...

• CLOCUR Given an ordered set of data points in n-space, this finds a smooth, closed, per ...
• CONCUR Given an ordered set of data points in n-space, this finds a smooth approximatin ...
• CURFIT Given a set of data points (x(i),y(i)), this determines a smooth spline approxim ...
• PARCUR Given an ordered set of data points in n-space and a set of parameter values, th ...
• PARSUR Given a set of ordered points f(i,j) in n-space corresponding to grid values (u( ...
• PERCUR Given data points (x(i),y(i)), this subroutine finds a smooth periodic approxima ...
• POGRID Fits a function f(x,y) to a set of data points z(i,j) given at nodes (x,y) = (u( ...
• POLAR Fits a smooth function f(x,y) to a set of data scattered over the domain x**2 + ...
• REGRID Fits a smooth bivariate spline function of given degree to a set of data points ...
• SPGRID Fits a smooth bicubic spline to data values r(i,j) defined at points on a latitu ...
• SPHERE Fits a smooth bicubic spherical spline to arbitrarily scattered data values on a ...
• SURFIT Fits a smooth bivariate spline function to a set of scattered data points (x,y,z ...

• E02BAF Computes a weighted least-squares approximation to an arbitrary set of data poin ...
• E02BEF Computes a cubic spline approximation to an arbitrary set of data points. The kn ...
• G10ABF Fits a cubic smoothing spline for a given smoothing parameter.
• G10ACF Estimates the values of the smoothing parameter and fits a cubic smoothing splin ...

• NAG_1D_SPLINE_FIT_KNOTS Computes a weighted least-squares approximation to an arbitrary set of data poin ...
• NAG_1D_SPLINE_FIT Computes a cubic spline approximation to an arbitrary set of data points. The kn ...
• NAG_SMOOTH_SPLINE_ESTIM Estimates the values of the smoothing parameter and fits a cubic smoothing splin ...
• NAG_SMOOTH_SPLINE_FIT Fits a cubic smoothing spline for a given smoothing parameter.

• DEFC (EFC) Fit a piecewise polynomial curve to discrete data. The piecewise polynomials are ...
• DFC (FC) Fit a piecewise polynomial curve to discrete data. The piecewise polynomials are ...
• EFC (DEFC) Fit a piecewise polynomial curve to discrete data. The piecewise polynomials are ...
• FC (DFC) Fit a piecewise polynomial curve to discrete data. The piecewise polynomials are ...

• 642 CUBGCV: a Fortran subprogram for O(n) computation of a cubic smoothing spline fi ...
• 742 L2CXFT: Least squares data fitting subject to nonnegativity of second divided di ...